Foldable spirit level



FIG. 1 is a top, front, right side perspective view of a foldable spirit level, showing my new design;

FIG. 2 is a bottom, back, left side perspective view thereof;

FIG. 3 is another top, front, right side perspective view of the foldable spirit level in straight state, showing my new design;

FIG. 4 is another bottom, back, left side perspective view thereof;;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a back elevational view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a right side elevational view thereof;

FIG. 9 is a top view thereof;

FIG. 10 is a bottom view thereof;

FIG. 11 is an enlarged view of the portion labeled “11” framed in FIG. 3 ;

FIG. 12 is an enlarged view of the portion labeled “12” framed in FIG. 3 ; and,

FIG. 13 is an enlarged view of the portion labeled “13” framed in FIG. 3 .

The broken lines in the figures illustrate portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a foldable spirit level, as shown and described. 